4-Pyrrolizino-5-[1-oxo-3-(4-methoxyphenyl)-2-propenyl]-2-methyl-6-phenylpyridazin-3(2H)-one C??? ??, ??, ??

4-Pyrrolizino-5-[1-oxo-3-(4-methoxyphenyl)-2-propenyl]-2-methyl-6-phenylpyridazin-3(2H)-one ?? ?? ? ???

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4-Pyrrolizino-5-[1-oxo-3-(4-methoxyphenyl)-2-propenyl]-2-methyl-6-phenylpyridazin-3(2H)-one ?? ??